A plywood based on environment-friendly biomass glue

Abstract

The utility model discloses a plywood based on environmental protection biomass glue, it includes: veneer layer and glue layer, a plurality of veneer layer is sequentially parallel and is added up, the glue layer is arranged between the upper and lower two adjacent veneer layer, the glue layer includes first glue department, second glue department and insect repellent mesh cloth strip, first glue department is sequentially interval distribution along the length direction of glue layer, the insect repellent mesh cloth strip is arranged between the left and right two first glue department, second glue department is interval distribution on the insect repellent mesh cloth strip along the length direction of glue layer. The plywood based on environmental protection biomass glue of the utility model, especially adopt the insect repellent mesh cloth strip, can release special smell, effectively drive a variety of insects to reduce the damage of insect to plywood.

Description

Technical Field

[0001] This utility model relates to the field of plywood, and more particularly to a plywood based on environmentally friendly biomass adhesive. Background Technology

[0002] The core of existing plywood is usually made of veneer rotary-cut from logs or thin wood sliced ​​from timber. Multiple layers of core boards are glued together using adhesives, and the fiber directions of adjacent core boards are made perpendicular to each other to obtain multi-layer composite plywood.

[0003] Plywood adhesives often contain formaldehyde, and furniture or decorative panels made from them can easily contain excessive levels of formaldehyde, posing a health hazard. To improve the safety of plywood, formaldehyde-free environmentally friendly biomass adhesives can be used. These adhesives, made from corn starch, soybean meal, sugarcane sugar, and other grain crops, contain no formaldehyde or have extremely low formaldehyde content, which is negligible. However, these environmentally friendly biomass adhesives lack insect-repellent properties, making them susceptible to insect damage from the adhesive and veneer, leading to plywood failure. Therefore, improvements are needed. Utility Model Content

[0004] The purpose of this invention is to provide a plywood based on environmentally friendly biomass adhesive, which improves insect repellency and extends service life.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A plywood based on environmentally friendly biomass adhesive includes: veneer layers and an adhesive layer, wherein multiple veneer layers are stacked in parallel on top of each other, and the adhesive layer is disposed between two adjacent veneer layers. The adhesive layer includes a first adhesive portion, a second adhesive portion, and an insect-repellent net strip. The first adhesive portions are distributed at intervals along the length of the adhesive layer, and the insect-repellent net strip is disposed between two adjacent first adhesive portions. The second adhesive portions are distributed at intervals on the insect-repellent net strip along the length of the adhesive layer.

[0007] The single-layer veneer is made of solid wood.

[0008] The number of single-layer boards is at least 3.

[0009] The first and second adhesive parts are made of environmentally friendly biomass adhesives.

[0010] The second adhesive part is impregnated with the insect repellent net strip along the thickness direction of the net strip and connects the upper and lower adjacent single-layer sheets.

[0011] The second adhesive portion is distributed at least on both sides of the insect-repellent net strip.

[0012] The insect-repellent net strips are made of hemp fiber.

[0013] The beneficial effects of this utility model are as follows: A plywood based on environmentally friendly biomass adhesive, which uses insect-repelling net strips, such as hemp fiber net strips, utilizes the phenolic substances and volatile compounds in hemp fibers to release special odors, effectively repelling a variety of insects without causing adverse stimulation to the human body, thereby reducing insect damage to the plywood and extending the service life of the plywood. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 yes Figure 1 A schematic diagram of the structure of part A. Detailed Implementation

[0016] The following is combined with Figures 1 to 2 The technical solution of this utility model will be further illustrated through specific embodiments.

[0017] like Figure 1 The plywood shown is based on environmentally friendly biomass adhesive and includes: veneer layer 2 and plywood layer 1. Multiple veneer layers 2 are stacked in parallel one after the other. The veneer layers 2 are made of solid wood veneer and are rotary cut from solid wood segments, which has good environmental performance.

[0018] The adhesive layer 1 is disposed between two adjacent veneer layers 2 to bond the two adjacent veneer layers 2 together, ensuring structural stability. The number of veneer layers 2 is at least three, such as... Figure 1 As shown, in this embodiment, a total of 3 veneer layers 2 are used. Therefore, 2 adhesive layers 1 are required to glue the upper and lower adjacent veneer layers 2.

[0019] In this embodiment, the adhesive layer 1 includes a first adhesive portion 11, a second adhesive portion 13, and an insect repellent net strip 12. The first adhesive portion 11 is distributed sequentially at intervals along the length direction of the adhesive layer 1 and extends along the width direction of the adhesive layer 1. The adhesive portion 11 is mainly used to bond adjacent single-layer veneer layers 2, thus avoiding cracking problems.

[0020] The insect-repellent net strip 12 is placed between two adjacent first adhesive portions 11. In this embodiment, the insect-repellent net strip 12 is made of hemp fiber. The phenolic substances and volatile compounds in the hemp fiber release a special odor, which can effectively repel a variety of insects, thereby reducing the damage of insects to the plywood and extending the service life of the plywood. Moreover, the odor of hemp fiber has no adverse irritation to the human body and is safe to use.

[0021] Furthermore, to improve the stability of the insect-repellent net strip 12, the second adhesive portion 13 is spaced along the length of the adhesive layer 1 on the insect-repellent net strip 12, such as... Figure 2 As shown, the second adhesive part 13 is impregnated with the insect repellent net strip 12 along the thickness direction of the insect repellent net strip 12 and connects the upper and lower adjacent single-layer veneer layers 2. This can not only prevent the insect repellent net strip 12 from loosening, but also enhance the structural stability of the upper and lower adjacent single-layer veneer layers 2 and avoid the problem of cracking of the adjacent single-layer veneer layers 2.

[0022] In this embodiment, the first adhesive part 11 and the second adhesive part 13 are respectively made of environmentally friendly biomass adhesive. The environmentally friendly biomass adhesive does not contain formaldehyde or has a very low formaldehyde content, thus avoiding adverse effects on human health and making it safer to use.

[0023] like Figure 1 As shown, the second adhesive portion 13 is distributed at least on both sides of the insect repellent net strip 12 to limit the edges of the insect repellent net strip 12. Moreover, the second adhesive portion 13 on both sides of the insect repellent net strip 12 can be integrated with the first adhesive portion 11, making construction more convenient.

[0024] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A type of plywood based on environmentally friendly biomass adhesive, characterized in that, include: The veneer layer and the adhesive layer are arranged in parallel layers, with multiple veneer layers stacked vertically. The adhesive layer is disposed between two adjacent veneer layers. The adhesive layer includes a first adhesive part, a second adhesive part, and insect-repellent net strips. The first adhesive parts are distributed at intervals along the length of the adhesive layer. The insect-repellent net strips are disposed between two adjacent first adhesive parts. The second adhesive parts are distributed at intervals on the insect-repellent net strips along the length of the adhesive layer.

2. The plywood based on environmentally friendly biomass adhesive according to claim 1, characterized in that, The veneer layer is made of solid wood veneer.

3. The plywood based on environmentally friendly biomass adhesive according to claim 1, characterized in that, The number of single-layer boards is at least 3.

4. The plywood based on environmentally friendly biomass adhesive according to claim 1, characterized in that, The first and second adhesive parts are made of environmentally friendly biomass adhesives.

5. The plywood based on environmentally friendly biomass adhesive according to claim 1, characterized in that, The second adhesive part is impregnated with the insect repellent net strip along the thickness direction of the strip and connects the upper and lower adjacent single-layer boards.

6. The plywood based on environmentally friendly biomass adhesive according to claim 1, characterized in that, The second adhesive portion is distributed at least on both sides of the insect-repellent net strip.

7. The plywood based on environmentally friendly biomass adhesive according to claim 1, characterized in that, The insect-repellent net strips are made of hemp fiber.

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